Home / 9,148.87-12,625.44-4,957.12

Finding the Fourth Proportional to 9,148.87, 12,625.44 and 4,957.12

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Solution

The fourth proportional to 9,148.87, 12,625.44 and 4,957.12 is: 6,840.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.87 : 12,625.44 = 4,957.12 : x
  2. Step 2: Convert to fraction form
    9,148.87/12,625.44 = 4,957.12/x
  3. Step 3: Cross multiply
    9,148.87x = 12,625.44 × 4,957.12
  4. Step 4: Simplify right side
    9,148.87x = 62,585,821.13
  5. Step 5: Solve for x
    x = 62,585,821.13/9,148.87
  6. Step 6: Final answer
    x = 6,840.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.